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Z31.84 ICD-10-CM Code: Encounter for fertility preservation procedure

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Coding at a Glance

Tabular directives
2 inclusion terms · 3 Excludes2

Inpatient Payment Groups (MS-DRG)

Potential MS-DRG participation — not a DRG assignment.

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v44, Appendix B.

  • MS-DRG 951 — OTHER FACTORS INFLUENCING HEALTH STATUS (MDC 23)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for Z31.84 in the official ICD-10-CM tabular list, quoted as published.

Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2027Effective: October 1, 2026

Trace:FY2027 changesChange historyRelease, file and checksum

Notes without a marker are published on Z31.84 itself; “inherited from” names the category or block whose note applies here.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Encounter for fertility preservation procedure prior to cancer therapy
  • Encounter for fertility preservation procedure prior to surgical removal of gonads

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Source: inherited from Z31

Coder workflow for Z31.84

MedCoder structured workflow — derived from this code’s own official record

Before you code Z31.84

  1. Confirm the reason for the encounter this Z code records: the circumstance it records. Check whether the code may be reported as first-listed or principal — some Z codes are limited to one position — and do not report a history or status code for a condition documented as current. Z code categories and their reporting positions (Guidelines I.C.21.c, I.C.21.c.15).

    Guide: Z codes as principal or first-listed diagnosis →

Documentation check

The provider’s diagnostic statement
Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
The reason for the encounter
Whether the code records the encounter’s purpose, a status, or a history — and whether it may be first-listed (Guidelines I.C.21.c).

Official instructions as workflow

  • Excludes2 — not part of Z31.84(3 notes)

    Coding workflow: The conditions named in this note are not included in Z31.84. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

    CompareN98, N97, N46

    See the official tabular notes · Guidelines I.A.12.b

Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.

Don’t confuse Z31.84 with…

MedCoder analysis — pairs from this code’s official notes, distinctions written by MedCoder

The codes most likely to be picked instead of Z31.84 — named in its own official notes, or sharing its laterality or encounter family — with what separates them and which documentation moves the case. Each links to the full comparison.

  • N98— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of complications associated with artificial fertilization adds N98; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z31.84 vs N98 →

  • N97— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of female infertility adds N97; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z31.84 vs N97 →

  • N46— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of male infertility adds N46; it is not part of this code and both may be reported when both are documented.

    Full comparison: Z31.84 vs N46 →

Relationships are read from this code's own official notes, its laterality siblings and its encounter family; the wording of each distinction is MedCoder editorial, and the documentation named in each “what moves you there” line is the official note phrase or sibling title itself. Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a.

Code Overview

Encounter for fertility preservation procedure is a billable ICD-10-CM diagnosis code (Z31.84).

MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.

Indexed Clinical Terms (1)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code. These are alphabetic-index entries shown as the Index writes them — lookup phrasing, not necessarily the wording of a final diagnosis.

Official Coding Guidelines

Official source data — quoted verbatim from the CMS/NCHS Official Guidelines

Official source data — quoted verbatim from the CMS/NCHS Official Guidelines

Verbatim excerpts from the ICD-10-CM Official Guidelines for Coding and Reporting (CMS/NCHS) that govern this code.

Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)

Z31.81 Encounter for male factor infertility in female patient Z31.83 Encounter for assisted reproductive fertility procedure cycle Z31.84 Encounter for fertility preservation procedure Z34 Encounter for supervision of normal pregnancy Z39 Encounter for maternal postpartum care and examination Z38 Liveborn infants according to place of birth and type of delivery Z40 Encounter for prophylactic surgery Z42 Encounter for plastic and reconstructive surgery following medical procedure or healed injury Z51.0 Encounter for antineoplastic radiation therapy Z51.1- Encounter for antineoplastic chemotherapy and immunotherapy Z52 Donors of organs and tissues Except: Z52.9, Donor of unspecified organ or tissue Z76.1 Encounter for health supervision and care of foundling Z76.2 Encounter for health supervision and care of other healthy infant and child Z99.12 Encounter for respirator [ventilator] dependence during power failure

Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)

Z codes/categories for obstetrical and reproductive services: Z30 Encounter for contraceptive management Z31 Encounter for procreative management Z32.2 Encounter for childbirth instruction Z32.3 Encounter for childcare instruction Z33 Pregnant state Z34 Encounter for supervision of normal pregnancy Z36 Encounter for antenatal screening of mother Z3A Weeks of gestation Z37 Outcome of delivery Z39 Encounter for maternal postpartum care and examination Z76.81 Expectant mother prebirth pediatrician visit

Verify Before Coding

  • Principal-diagnosis restriction. The Medicare Code Editor lists this code as unacceptable as a principal diagnosis: it describes a circumstance influencing health status rather than a current illness or injury being treated. It is valid as a secondary diagnosis.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.

Relationships & Classification

MedCoder structured relationships — computed from published CMS and AHRQ datasets

Other codes that name Z31.84 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 14 Excludes2 notes: Z00 — Encounter for general examination without complaint, suspected or reported diagnosis (via Z31.-), Z00-Z13 — Persons encountering health services for examinations (Z00-Z13) (via Z31.-), Z01 — Encounter for other special examination without complaint, suspected or reported diagnosis (via Z31.-), Z02 — Encounter for administrative examination (via Z31.-), Z03 — Encounter for medical observation for suspected diseases and conditions ruled out (via Z31.-), Z04 — Encounter for examination and observation for other reasons (via Z31.-), Z05 — Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out (via Z31.-), Z08 — Encounter for follow-up examination after completed treatment for malignant neoplasm (via Z31.-), Z09 — Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm (via Z31.-), Z11 — Encounter for screening for infectious and parasitic diseases (via Z31.-), Z12 — Encounter for screening for malignant neoplasms (via Z31.-), Z13 — Encounter for screening for other diseases and disorders (via Z31.-), Z70 — Counseling related to sexual attitude, behavior and orientation (via Z31.-), Z71 — Persons encountering health services for other counseling and medical advice, not elsewhere classified (via Z31.-).

These codes’ tabular lists name this diagnosis as distinct — both may be reported when both are documented.

MS-DRG Grouper Relationships (FY2027)

Potential MS-DRG participation — not a DRG assignment.

FY2027 MS-DRG: not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity for that release.

Named in the grouper logic of 1 MS-DRG: DRG 951 (MDC 23).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Clinical classification (AHRQ CCSR):FAC013 — Contraceptive and procreative management (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Related Codes

Principal diagnosis restriction (Medicare Code Editor)

Not acceptable as a principal diagnosis on an inpatient claim.

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Contraceptive and procreative management).

Z31.42 — Aftercare following sterilization reversal, Z31.430 — Encounter of female for testing for genetic disease carrier status for procreative management, Z31.438 — Encounter for other genetic testing of female for procreative management, Z31.440 — Encounter of male for testing for genetic disease carrier status for procreative management, Z31.441 — Encounter for testing of male partner of patient with recurrent pregnancy loss, Z31.448 — Encounter for other genetic testing of male for procreative management, Z31.49 — Encounter for other procreative investigation and testing, Z31.5 — Encounter for procreative genetic counseling, Z31.61 — Procreative counseling and advice using natural family planning, Z31.62 — Encounter for fertility preservation counseling, Z31.69 — Encounter for other general counseling and advice on procreation, Z31.7 — Encounter for procreative management and counseling for gestational carrier, Z31.81 — Encounter for male factor infertility in female patient, Z31.82 — Encounter for Rh incompatibility status, Z31.83 — Encounter for assisted reproductive fertility procedure cycle, Z31.89 — Encounter for other procreative management, Z31.9 — Encounter for procreative management, unspecified, Z97.5 — Presence of (intrauterine) contraceptive device, Z98.51 — Tubal ligation status, Z98.52 — Vasectomy status, +27 more

Same Index main term, other category

The ICD-10-CM Index to Diseases and Injuries files this code under the main term “Encounter”; these codes share that main term but sit in a different category of the Tabular List.

Z29.11 — Encounter for prophylactic immunotherapy for respiratory syncytial virus (RSV) (prophylactic measures, immunotherapy for respiratory syncytial virus), Z29.12 — Encounter for prophylactic antivenin (prophylactic measures, antivenin), Z29.13 — Encounter for prophylactic Rho(D) immune globulin (prophylactic measures, Rhoimmune globulin), Z29.14 — Encounter for prophylactic rabies immune globulin (prophylactic measures, rabies immune globin), Z29.3 — Encounter for prophylactic fluoride administration (prophylactic measures, fluoride administration), Z29.81 — Encounter for HIV pre-exposure prophylaxis (HIV, PrEP), Z29.89 — Encounter for other specified prophylactic measures (prophylactic measures, specified NEC), Z29.9 — Encounter for prophylactic measures, unspecified (prophylactic measures), Z30.02 — Counseling and instruction in natural family planning to avoid pregnancy (instruction, natural family planning, to avoid pregnancy), Z30.2 — Encounter for sterilization (sterilization), Z32.00 — Encounter for pregnancy test, result unknown (pregnancy, test), Z32.01 — Encounter for pregnancy test, result positive (pregnancy, test, result positive), Z32.02 — Encounter for pregnancy test, result negative (pregnancy, test, result negative), Z32.2 — Encounter for childbirth instruction (instruction, childbirth), Z32.3 — Encounter for childcare instruction (instruction, child care), Z33.2 — Encounter for elective termination of pregnancy (termination of pregnancy, elective), Z36.0 — Encounter for antenatal screening for chromosomal anomalies (antenatal screening, Trisomy 13), Z36.1 — Encounter for antenatal screening for raised alphafetoprotein level (antenatal screening, raised alphafetoprotein level), Z36.2 — Encounter for other antenatal screening follow-up (antenatal screening, specified follow-up NEC), Z36.3 — Encounter for antenatal screening for malformations (antenatal screening, malformations), +94 more

Contextual Map

Every relationship of Z31.84 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run Z31.84 with these 8 related codes in Claim Check

Hierarchy

Referenced by Excludes2 notes (14)

Clinical classification (CCSR)

MS-DRG Grouper

MDC crossing

  • MDC 23 — Factors Influencing Health Status and Other Contacts with Health Services[MDC crossing]: “Factors Influencing Health Status and Other Contacts with Health Services — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs. 1,258 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2027

Index entries

  • Encounter (with health service) (for), fertility preservation procedure (prior to cancer therapy) (prior to removal of gonads)[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027

Nearest codes (25)

Change history

  • FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, title, tabular notes and index terms Official source data
CMS/CDC ICD-10-CM FY2027 tabular list, index and tables, effective October 1, 2026 Release, file and checksum · Publisher’s page
Coding guidelines Official source data
ICD-10-CM Official Guidelines for Coding and Reporting (FY2027), quoted by section Release, file and checksum · Publisher’s page
Claim edits Official source data
CMS Definitions of Medicare Code Edits — v44.0 (October 2026) Release, file and checksum · Publisher’s page
Inpatient payment groups Official source data
CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44 Release, file and checksum · Publisher’s page
Change history and date-of-service validity Official source data
CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
Comparisons, relationships and the contextual map MedCoder structured relationship
Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
Summary and FAQ answers MedCoder explanation
Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Cite this page

Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.

MedCoder.ai. "Z31.84 — Encounter for fertility preservation procedure." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/z31.84-encounter-for-fertility-preservation-procedure

Change history

  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Encounter for fertility preservation procedure

No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027, and none are recorded for this code. Note changes are tracked from FY2027 only.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Z31.84 in its code family, with their registry titles.

View all codes in the Z31 family